Sure, there are lots of ways to add boost to your engine, but nothing says hot rod more than a classic 6-71 Roots blower. Great question—but first, a bit of history. The GMC blower, known as a Roots ...

Originally developed for industrial use, the 6-71 blower has become a hot-rodding icon. We delve into the details and test one on a 406-inch Chevy small-block.

The 1960s were a time that saw muscle cars with the best names and automakers racing for horsepower supremacy. While drag racers often turned to large displacement big-block engines for power, others ...